rash Flashcards
aetiology of eczema
dry itchy inflammatory skin disease
typically begins in early childhood
onset <12mo, usually clears by 5yrs
relapsing course
Dx of eczema
itch + 3+
- skin crease involved
- hx of asthma/hayfever (1st degree relative if <4yrs)
- hx dry skin in past yr
- onset <2yrs
- visible flexural eczema
management of eczema
maintenance/every day
- avoid triggers (heat, rickly clothing, dry skin)
- moisturise 2x/day
- daily cool bath with salt + bleach 4% + bath oil for chronic/infected. do not rinse
- vit D supplement
flairs
- topical steroid/anti-inflammatory
- tar creams
- ABX if secondary infection
- cool compress 5-10mins then moisturise
- wet dressing (tubifast or towel adn crepe)
- mild: nightly until clear
- mod: BD for 4 days then nightly until clear
- severe: QID for 3 days, BD for a week then nightly until clear - eczema management plan
varicella zoster
IP 10-21days
prodrome of fever, lethargy, anorexia then rash 3-5 days later
papules -> vesicles -> rupture -> crust
benign
self limiting
infectious 1-2 days before rash until all crusted approx 10 days
exclusion from school
acyclovir in premi, immunocompromised otherwise comfort mx
what kind of rash is molluscum contagiosum and mx
pearly, dome papules, central umbilicus
self limiting can take months to resolve
what is HSV gingivostomatis
most common clinical minifestation of HSV
self limiting 10-14days
mx: adequate analgesia, hydration
what is the triad of HSP`
- rash on buttocks
- abdo pain
- arthritis
vasculittis also nephritits (haematuria, proteinuria, HTN)
what is nappy rash
dermatitis confined to area of nappy
confluent erythema of convex area of bum
spares skin folds
aetiology of nappy rash
- excess hydration
- water in urine/stool
- nappy change frequency - skin trauma
- rubbing of nappy on skin - irritants
- ammonia in urine
- faeces
- soap/detergent
- agents in nappy wipes
- power/creams - candida albicans
management of nappy rash
- disposable nappies
- increase frequency of changing
- cleanse area with water or olive oil
- apply thick layer of barrier cream e.g. vasoline
- let child spend as long as possible without nappy on
- rx candida
what is erythema toxicum neonatorum
commonest rash in newborns
small erythemaous macules
self resolves
what is millia
common tine epidermal cysts white/yellow nose/cheeks self resolves
Milliaria
occlusion of sweat ducts
hot environment
resolves in cool temps
what is SSS
staph releases epidermolytic toxin
young children/babies
Mx - IVF, ABX, analgesia, manage skin like burn
scarlet fever
GAS
tonsilltis, strawberry tongue, pale lips, erythemaous face
ARF, PSGN
penicillin
